killed in the bombings have now been identified-- eight-year old martin richard, 29-year-old krystle campbell and lu lingzi, a chinese graduate student at boston university. last night, neighbors and friends of martin richard and his family held a candlelight vigil near a baseball diamond and field where he used to play. >> everybody knows them, everybody loves them. it's just unthinkable, you know, anybody's little boy, was our little boy. >> reporter: boston common was the site of another vigil last night. several hundred turned out to sing and pay tribute to those killed, and the more than 170 injured. >> bostonians and people who are here are resilient and we come together in the hardest times and the best times so you know it's still great to be a bostonian. >> reporter: and in washington today, secretary of state john kerry, who also calls boston home, spoke emotionally at a congressional hearing. >> the granddaughter of a very, very close supporter and friend of mine through all my political career is fighting to keep both of her legs. boston is not going to be intimidated by this. but